Osamu Takeuchi, S.J., a native of Japan, is a professor of moral theology at Sophia University in Tokyo, Japan. He received his S.T.D. from the Jesuit School of Theology at Berkeley. His areas of special interest are fundamental moral theology, bioethics, and sexual ethics. He has published Conscience and Culture: A Dialogue between the West and the East concerning Conscience (Saarbrücken, Germany: LAP Lambert Academic Publishing, 2010).